NO. 873 SITE OF THE FRESNO FREE SPEECH FIGHT OF THE INDUSTRIAL WORKERS OF THE WORLD - At the corner of Mariposa and I Streets, from October 1910 to March 1911, the Industrial Workers of the World fought for the right of free speech in their efforts to organize Fresno's unskilled labor force. This was the first fight for free speech in California, and the first attempt to organize the valley's unskilled workers.